(Solved): A thin-walled, cantilever beam of unsymmetrical cross-section supports shear loads at its free end a ...

A thin-walled, cantilever beam of unsymmetrical cross-section supports shear loads at its free end as shown in the following figure. Calculate the value of direct stress at point

at a section halfway along the beam if the position of the shear loads is such that no twisting of the beam occurs.